NOVA 发表于 2025-3-23 13:04:36
Springer Praxis Bookshttp://image.papertrans.cn/e/image/282435.jpg伪造 发表于 2025-3-23 15:19:36
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https://doi.org/10.1007/978-1-4842-7821-5ability that the space program had created. However, the real challenge beyond Apollo would be the next generation of low cost spaceflight systems. As a result of the Vietnam War and domestic unrest, the nation stood at a crossroads. Without adequate funding, much of the investment in human spaceflight would disappear.逃避现实 发表于 2025-3-24 09:22:10
https://doi.org/10.1007/978-1-4614-3701-7Air Force Ballistic Missile Program; American Spaceflight History; Apollo Program; George E;Mueller; Huassent 发表于 2025-3-24 13:59:12
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All-up testing,pressed concern about keeping the Saturn V production line open. NASA studied the impact of stretching out schedules and placing spending controls on contractors. Boeing evaluated the anticipated impact on the Saturn Program, and the administrator appointed an internal working group to review the probable effect on the Apollo Applications Program.去才蔑视 发表于 2025-3-25 00:11:10
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